docker-compose-prometheus.yml

# Docker-compose file for TTN gateway
# Includes the Prometheus service

# Version 2.1 for balena compatibility
version: '2.1'
services:
  # The gateway itself
  gateway:
    build:
      context: gateway
      args:
        GW_MACHINE_NAME:
    image: amedee/ttn-gateway
    privileged: true
    network_mode: host
    restart: always
    environment:
      SERVER_TTN_CLUSTER_ID: "${SERVER_TTN_CLUSTER_ID:-eu1}"
      GW_KEY: "${GW_KEY:?Gateway Key is mandatory}"
      GW_ID: "${GW_ID:?Gateway Id is mandatory}"
      GW_EUI: "${GW_EUI}"
      GW_LOGGER: "${GW_LOGGER:-false}"
      GW_PRINT_STATS: "${GW_PRINT_STATS:-true}"
      GW_SPI_SPEED: "${GW_SPI_SPEED}"
      GW_GPS: "${GW_GPS:-false}"
      GW_RESET_PIN: "${GW_RESET_PIN:-22}"
      # GW_STAT_FILE is mandatory for reporting metrics
      GW_STAT_FILE: "true"
    devices:
      - "/dev/mem:/dev/mem"
    volumes:
      - var_ttn_vol:/var/ttn
  # Prometheus exporter
  prom-exporter:
    build:
      context: prom-exporter
      args:
        GW_MACHINE_NAME:
    image: amedee/ttn-prom-exporter
    privileged: true
    restart: always
    # "link" is not supported in balena, we bind to localhost
    ports:
      - "127.0.0.1:9100:9100"
  # TTN exporter
  exporter:
    build:
      context: exporter
      args:
        GW_MACHINE_NAME:
    image: amedee/ttn-exporter
    privileged: true
    # Exporter needs to access localhost to call prom-exporter
    network_mode: host
    restart: always
    volumes:
      - var_ttn_vol:/var/ttn
  # balenaCloud users
  # Insert the fan service from the docker-compose-fan.yml file here
  # to control the fan connected to the Coredump backplane
  # (Plain docker users can use an override file)

volumes:
  var_ttn_vol:
    driver: local
    driver_opts:
      type: tmpfs
      device: tmpfs